Changshu smoothly for plastics processing plant to talk about the difference between two methods of profile of PVC plastic material

People is no stranger to PVC plastic material, but usually, people for the difference between PVC plastic material has the certain difficulty, but for the difference of the PVC plastic profile method are many, but the simplest method is not very much, the following works of plastic processing factory in changshu for your detailed introduction about the difference between two of the most simple method of profile of PVC plastic material.



the first is a solvent processing method of identification:



solvent: tetrahydrofuran, cyclohexanone, ketone, dimethyl formamide;



the solvent, methanol, acetone and heptane.



by adding suspected PVC plastic above solvents, observe the situation to determine the dissolution of the plastic is PVC. Solvent after heating, dissolving the effect will be more obvious.



the second kind of the most simple and direct & ndash; — Combustion identification method:



to soften or melt temperature range: 75 & ndash; — 90° C;



the combustion situation: soften hard;



the combustion flame status: under the yellow green smoke; Situation: after away from the fire from the fire goes out; Bouquet: irritating sour.



is small make up by manufacturer for many years experience more than some knowledge of the summary for you, hope these knowledge can help to you.